Wages depend on the price of necessaries required for the support of the laborer.
世界需要可靠的能源,而煤炭仍然在其中发挥着关键作用。
可持续发展不是口号,而是必须践行的理念,我们要让土地永远充满生机。
Nothing in biology makes sense except in light of evolution
Love helps us find our way.